Firearm.



FIEEARM.

. APYLIOATION FILED NOV. 13, 1912. Patented Dec' 23 s. KORDVINE.

FIREARM. APPLICATION `IILIEID NOV. 13| 1912.

1 ,082,201. Patented Dec. 23, 1913.

5 SHEETS-SHEET 2.

S. KOROVINE.

FIREARM.

ABPLIGATION FILED Nov. 1s', 1912.

` 1,082,201. Patented De0.23,1 913.

5 SHEETS-SHEET a.

coLuMmA PLANOURAPH ca.,wAsruNu'roN. D. c`

S. KOROVINB.

FIREARM.

APPLICATION FILED NOV. 13l 1912.

Patented Dec. 23, 1913.

5 SHEET S-SHEET 4.

@Eig

coLumslA PMNQGRAPII WASHINGTON. n. c.

S. KOROVINE.

FIREARM.

APPLIGATIGN FILED Nov. 13, 1912.

Patented Dec. 23, 1913.

6 SHEETS-SHEET 5.

Anuman PLANOGRAPH co.. WASHINGTON. D. c.

UNITED STATES PATENT OFFTC.

SERGE KOROVINE, OF LIEGE, BELGIUM.

FIREARM.

To all w71 om z' may concern:

Be it known that I, SERGE KoRovrNn, a subjectv of the Czar of theRussians, residing at 7 Rue Grandgaguage, Liege, Belgium, have inventedcertain new and useful Improvements in Firearms; and I do hereby declarethe following to be a full, clear, and exact description of theinvention, such as will enable others skilled in the art to which itappertains to make and use the same, reference being had to theaccompanying drawings, and to letters or figures of reference markedthereon, which form a part of this specification.

This invention relates to an automatic pistol or like firearm having asetting trigger enabling it to be cocked by pressing the trigger Withoutdrawing back the bolt.

The present invention is more particularly described with reference tothe accompanying drawings, in which Figure 1 shows the position of theparts of the lock when at rest; Fig. 2 shows the parts when the hammeris in the extreme right hand position and cocked by pressure on thetrigger; Fig. 3 shows the parts of the lock at the moment of firing;Fig. 4 shows the positions of the parts of the loc-k when the bolt isthrown back toward the rear and the trigger occupies its extreme righthand position, the hammer being retracted to its fullest extent; Fig. 5illust-rates the positions of the parts of the lock the hammer beingcocked by the bolt thrown backward after the firing of the weapon; Fig.6 illustrates the position of the parts of the mechanism a little beforeuncocking, when the nose of the trigger rests on the nose of the sear;Fig. 7 gives a general view of the pistol body with the mechanism at themoment of uncocking after having been cocked by hand by retraction ofthe bolt, the trigger not having been pressed; Figs. 8 and 9 represent asecond form of construction corresponding respectively to Figs. 1 and 6;Fig. 10 shows a means for retaining the trigger in a certain positiontoward the rear, distinct from that which has just been shown; Fig. 11represents another means of retaining the trigger in a certain positiontoward the rear; Fig. 12 shows a general view of the part of the bodyand the bolt which carries the safety device; Fig. 13 shows acorresponding part of the body; Fig. 14 shows a horizontal section ofthe bolt with the parts of the safety mechanism and with theSpecification of Letters Patent.

Application filed November 13, 1912.

Patented Dec. 23, 1913.

Serial No. 731,121.

hammer lowered; Fig. 15 is a partial vertical section of Fig. 14 on theline A-B with the same arrangement of the parts of the mechanism; Fig.16 is a similar horizontal section of the bolt and the positions of theparts of y the mechanism when the hammer is cocked; Fig. 17 is a view inperspective of the safety lever; Fig. 18 is a horizontal section of thebolt of the pistol, the hammer cocked and the safety lever locked; Fig.19 is a horizontal section of the bolt of the pistol, the safety lever,and the hammer the latter lowered. The weapon is in the safety position;Fig. 2O is a partial vertical section on the line C-D of Fig. 19; Fig.21 shows the application of the safety device to the bolt which issurrounded by the mass of the frame; Fig. 22 is a partial section of thepistol mounted without the lock or cover plate; Fig. 23 is a transversesection on the line A-B of Fig. 22; Fig. 24 is a plan view of the body;Fig. 25 is a view of the pistol when the bolt is open after tiring thelast cartridge in the magazine; Fig. 26 is a view of the pistol from thefront end; Fig. 27 shows the barrel provided with its special spring;Figs. 28 and 29 are two transverse sections of the barrel on C-D andE--F of Fig. 27.

A sear 7 connected with the hammer 1 by a link 5 pivots on a pin 8 ixedat the left of the magazine 9 in the frame 3 (Fig. 1). The sear spring12 arranged in a recess in the butt to the left of and parallel with themagazine, acts indirectly by means of a piston 13 on a strut 10 hingedat 11 on the sear 7. The force of the spring 12 is transmitted throughthe sear 7 to the hammer 1 to force the latter toward the firing pin 32(Fig. 1). A small lever 14 under the action of a leaf spring 15 pivotson a pin fixed to the upper part of the sear 7, and when the hammer iscocked (Fig. 4) bears against a shoulder 16 fixed to the frame or bodyof the pistol and holds the hammer in the cocked position. The sear 7has a projection 25 which comes in contact with an arm 21 mounted on apin 20 on the trigger and controlled by a spring when the trigger ispressed for cocking and uncocking the hammer and firing the shot (Fig.1). The lower part of the sear 7 is connected with the link 5 by a lug 6on which is pivoted a lever 2 forced outwardly by a spring 2 arranged ina corresponding recess in the body.

of the sear 7 (Fig. 1). The lever 2 thus forms a kind of movableabutment for the sear 7 in such a way that the sear 7, the movableabutment 2, the part 14 and the shoulder 16 combine to maintain thetrigger pressed in a certain position toward the rear when the hammer iscocked (Fig. 6).

The trigger 19 (Figs. 1 and 2) pivots 0n an axis 18 fixed to the frameand it is terminated at its upper part above its axis of r0- tation by afinger 17 on which a spring 17 acts always thrusting the triggerforward. Beneath the axis of rotation 18 the trigger has an arm 21having two project-ions, one of which 23, when the trigger is pressed,engages the movable piece 14 (Figs. 2 and 6) of the sear 7, in order touncock the hammer, while the other 24 comes in contact with theprojection 25 of the sear 7 in order to cock and uncock the hammer asalready stated (Figs. 1 and 2).

The trigger has a catch 4 by means of which it is held in a certainposition by the projection 2 of the sear 7 when the latter and thehammer are cocked. A catch 16 is fixed on the pin 18 about which thetrigger pivots and its right hand extremity forms a shoulder 16 againstwhich the movable piece 14 is pressed when the sear 7 and the hammer arecocked (Fig. 5). The left hand end of the catch 16 has a semicylindricalrecess intended to engage a pin 18 (Figs. 1 and 2) fixed to the body ofthe pistol, in order to prevent the catch 16 from pivoting on its axisand for simplifying the putting together and taking apart of the weapon.Vith this same obj ect the trigger 19 and the catch 16 must be mountedon the body of the pistol after having been previously assembled. Forthis purpose the two parts 19 and 16 are fitted on the same smallcylindrical tube 18 (Figs. 1 and 3), inside which an axis 18 fixed inthe body is inserted. The spring 17, the end of which acts by means of apiston on the linger 17 of the trigger, is placed in a cylindricalrecess in the body of the pistol, while the left hand end of the springrests against the cylinder 22 which is held there by a screw 22 whichfixes at the same time the flat spring 15 of the part 14.

The action of the weapon is as follows: )When the trigger 19 (Figs. 1and 2) is pressed, the projection 24 of the arm 21 comes in contact withthe no-se 25 of the scar 7 and further pressure on the trigger causesthe sear 7 to turn on its pivot which movement affects all the partsdependent on it, such as the finger 17, the link 5, the hammer 1 and soforth. The sear 7 pivots until contact with the trigger is broken. Thenunder the action of the spring 12 it resumes its original position. Atthis moment the trigger occupies its extreme right hand position (Fig.3). Then the sear 7 returns, the hammer 1 having struck the firing pin(Fig. 3) causes the firing of the weapon. The bolt thrown backward (Fig.4) cocks the hammer and turns the sear in such a way that the arm 14leaves the catch 16, slips along the projection 23 of the part 21 whichhas been raised by the pressure exerted on the trigger and under theaction of its spring 15 is lowered in order to bring it opposite thecatch 16 (Fig. 4). l/Vhen the bolt 26 commences its return movement(under the action of a recoil spring not shown), the hammer 1 and theparts connected therewith are also displaced toward the left untill thepart 14 abuts against the catch 16 (Fig. 5) causing the nose 23 of thepart 21 to enter a recess in the latter. Thus the hammer may be cockedin any position of the trigger. The nose 2 comes beneath thecorresponding projection 4 of the trigger and the strut 10 compressesthe spring 12. 1t has been hereinbefore stated that up to the moment offiring, the trigger occupies the extreme rear position, but it is wellknown that in automatic firearms the recoil of the bolt cocks the hammerin less time than is necessary for the person firing to release thetrigger after having fired a shot. The various parts of the mechanismwill thus occupy after each discharge the position shown in Fig. 5, thatis to say the nose of the trigger will be above the nose 2 of the scar.If then the person firing releases the trigger (Figs. 5, 6) it is thrownby the action of its spring 17 toward its original position, but inreturning the nose 4 bears on the nose 2. In this position of thetrigger 19 the projection 23 of the arm 21 is precisely beneath themovable piece 14 resting againstI the catch 16 (Fig. 6). It thensuflices to exert a short pressure on the trigger in order that the arm21 may lift the movable piece 14 and remove it from the support 16 andconsequently uncock the hammer and fire the shot. The trigger againoccupies its extreme rear position, and is held there until the personfiring liberates it when the hammer is cocked by the recoil of the bolt.(Fig. 5). Consequently if the trigger is released it resumes theposit-ion shown in Fig. 6. 1f for any reason there is a miss fire, thetrigger must be released, which being no longer retained by the nose 2will resume its original position and then must be immediately pressedagain, the hammer is thus again cocked and lowered so as to fire withthe same cartridge. The various operations are thus produced until thereis a miss fire when it is necessary to remove from the barrel thedefective cartridge by drawing back the bolt by hand. Two cases may thenpresent themselves:

1. Before drawing back the bolt by hand, that is to say before cockingthe hammer and during this operation, the person firing exerts apressure on the trigger holding it still in its extreme rear position.rlhe different parts of the mechanism then occupy the same positions asif the bolt had been thrown backby the recoil (Fig. 5), that is to saythe trigger when released rests its nose 4: against the raisedprojection 2 of the sear 7 (Fig. 6).

2. The person ring, drawing back the bolt by hand, does not exert anypressure on the trigger and therefore when the latter, after the hammeris cocked, occupies its original position (Fig. 1) and the projec tion 4is not above the nose 2 of the seai- 7, then in order to fire the shotthe trigger must be pressed and the nose 2 having encountered theprojection d pushes the latter into a recess in the sear 7 (Fig. 7), andconsequently enab-les the trigger to reach its extreme rear positionwhich is necessary for eecting the succeeding uncocking of the hammer.

The second form of construction of theV invention proposed, shown inFigs. 8 and 9, only differs from the one just described, in theconstruction of the catch 2:L (Figs. 7, 8 and 9) which serves tomaintain the trigger 19 in a certain rear position when the hammer iscocked, which catch is not placed on the sear 7 as in the first form ofconstruct-ion, but directly on the body 8. This catch 2a which pivots onthe pin 6a is composed of two parts, the upper one of which pivots at 6aand can undergo a slight inclination independently of the lower part.The latter is subjected in its upper part to the action of a spring 2awhich presses it as a whole to the right of the trigger 19. As Fig. 9shows, when the hammer is cocked (the latter is not shown), the lowerpart of the sear 7 which is subject to a movement of rotation, pressesthe catch 2a, which causes the whole catch to rotate slightly toward theleft about its axis 6a. The trigger 19 is then released and is drawn byits spring, toward its original position, but its projection 4; havingmet the catch 2a it is stopped in a position in which it best sufficesto exert a slight pressure upon it, in order to fire the shot. In theparticular case in the first form of construction corresponding to thecase shown in Fig. 7, the hammer being cocked by the bolt drawn back byhand, and the trigger not being pressed, it occupies its extreme frontposition. 1f in order to fire the shot, the trigger be pressed, thelatter at one moment of its course will bear with its projection tagainst the support lever 2a. By a pressure exerted on the upper movablepart of this lever 2a, the trigger 19 turns it a little to the -rightand in this way it can continue its course to the extreme rear positionwhich it must necessarily reach in order to uncock the hammer.

Fig. 10 shows a modification for maintaining the trigger in a certainposition toward the rear. The action is similar to that of the firstform of construction. A lever 2B the lower part of which is connected bya link 10, with the main spring 12, pivots at 6 on the hammer 1. Thisspring 12 draws this lever 2B toward the trigger and thus draws thehammer toward the striker.

Fig. 11 shows a second modification for maintaining the trigger in acertain position toward the rear relating to the second form ofconstruction. As in Figs. 8 and 9 the lever 2c is arranged on the bodyof the pistol and when the hammer is cocked (the mechanism intended forretaining the hammer cocked is not shown), this latter acts in this casedirectly on the lever 2c pressing it t0- ward the trigger, so that thelatter bears at a given moment against the upper part of this lever 2c.The rest of the action of this mechanism is the same as in the otherforms of construction.

It has been stated that the lock proposed allows the hammer to pass fromthe cocked position to that of the lowered position, and at the sametime to that in which the weapon is in the safety position. In a recessin the bolt 26 a lever 28 provided with a catch 29 is pivoted by a pin27 and is always thrust outward by a spring 80 lodged in the bolt. Thelever 28 has externally a lug 81 facilitating its handling. The lever 28is mounted in communication with the firing pin 82 which is normallythrust by its spring toward the right. Opposite the catch on the lever28 the firing pin is cut away so as to form a shoulder 88. r1`he workingof this safety device is very simple. 1t will be seen in Fig. 16 thatwhen the hammer is cocked, the firing pin 82 occupies an extreme righthand position and the notched part of the latter is opposite the catch29 of the lever 28. If the lug 81 of the lever 28 be pressed, the catch29 enters the notch in the striker and places itself in front of theshoulder 88 (Fig. 18). By continuing the pressure on the lever, whilethe hammer is lowered against the firing pin, the latter will be pushedtoward the left and will stop when the shoulder 88 bears against thecatch 29 of the lever 28 (Figs. 19 and 20). 1f the lever be no longerpressed inwardly, it will retain its position in the notch of the firingpin, because the pressure of the hammer on the striker is much greaterthan the sum of the pressures of the firing pin spring and the spring 8Oof the lever 28. 1n this position of the firing pin the pistol is safelylocked.

The bolt itself is brought into the safety position simultaneously withthe striker. In fact when the lever 28 is pressed, the lower part of thelug 81 enters a corresponding recess 84 in the groove in the pistol body(Figs. 14, 15, etc.,) and if an endeavor were made to cause the bolt torecoil the right hand and lower part of the said lug 81 would bearagainst the right hand face of v lll the recess 34, which would therebyprevent the recoil or drawing back of the bolt. The hook 29 of the lever28 and the abutment 8S of the striker 82 have their contact facesinclined or beveled, so that a very slight pressure on the lever 28 whenthe hammer is released will be suflicient to force this lever to enterthe notch in the firing pin under the reciprocal action of the inclinedsurfaces. Assuming the pistol is in the safety position, in order tocommence firing, it sufiices to press the trigger. The effect of thispressure is to cock the hammer and thus to bring the firing pin towardthe rear. rithe catch 29 of the safety lever being no longer subjectedto the pressure of the firing pin, is thrown outward by the spring 30and thus allows the bolt to recoil after the weapon has been fired.

In firearms having invisible hammers, it is always important` to knowwhether or not the hammer is cocked. The position of the hammer caneasily be ascertained from the position of the lever 28. In fact if thehammer is cocked, the striker under the action of its spring is drawnback toward the rear, so that its notched face is opposite the catch 29of the lever' 28. If the lug of the lever be then pressed, it enters thenotch (Fig. 18) and the hammer is cocked. If on the contrary the hammeris lowered, the lug resists any pressure exerted on it, because it is inContact with a solid part of the striker (Fig. 14). Hence if the lugdoes not appear on the outside it is because it is retained by thestriker' encountered by the hammer, and the weapon is in the safetyposition (Figs. 19, Q0 and 2l). At its front part t-he barrel isprovided with ribs 36 (Figs. 2Q, 23 and 27) adapted to entercorresponding grooves 8G in the frame 3. The mounting of the barrel iseffected by inserting it from right to left, after the bolt with itsspring has been fitted on the body and drawn a little toward the rear.

The barrel is provided at the rear with a tenon 87 having` a hole 38(Figs. 22, 27) coinciding, when the barrel is in place, with a hole 88in the body 3. These apertures 38 and 38 are traversed by a pin 39 so asto fasten the barrel. This pin 39 has a lever -l-O which can pivot on itand serves for maintaining the bolt open after the last cartridge of themagazine has been fired (Figs. Q2 and 25). The lever 40 and its pin Si)are under the action of the feeder 4l of the magazine 9, so that whenthe lever 40 is pushed upward by the feeder 4l, its upper end enters acorresponding notch 42 of the bolt 2G and locks it.

Practice has Vshown that in pistols having removable barrels, the wearof the material and an inexact fitting are the cause after a certaintime of vibrations of the barrel. In order to overcome this drawback, inthe artion, the barrel 35 is constantly pressed toward the body by aspring 43 fixed beneath the barrel (Fig. Q7), or, as shown in Fig. 22, acam 44 pivoted at 45 to the body presses the barrel against the latter.A spring 4G by the intermediary of the head 47 of the rod 48 acts on thelever 44 pressing it upward so as to produce a certain pressure on thebarrel. For taking the weapon apart the lever 40 must be removed, andthe bolt drawn back a little, which will then enable the barrel to slidebackward. T he bolt 48 and its spring 46 are then taken out.

I declare that what I claim is l. A firearm comprising in combination abody, a barrel, a trigger, a sear, a hammer, means for transmitting themovement of the sear to the hammer, means for holding the sear in thecocked position, means for holding the trigger in the drawn backposition and means carried by the trigger for cocking and uncockingsuccessively the said scar and hammer.

Q. A firearm comprising in combination a body, a barrel, a trigger, asear, a sear spring, means for transmitting movement from said triggerto said hammer, a lever, a spring acting on said lever, a member forretaining the parts in the cocked position, an abutment on said memberadapted to engage said pivoted lever, and means carried by the triggerfor cooking and uncocking successively said sear and hammer.

3. An automatic firearm comprising in combination a body, a barrel, atrigger, a hammer, a scar, a scar spring, a link connecting said searwith the hammer, a lever operating on said sear to keep it cocked, aspring Operating said lever, means for holding the trigger in thedrawn-back position, and means carried by the trigger for cooking anduncocking successively the said sear and hammer.

4. An automatic firearm consisting of a body, a barrel, a firing pin, ahammer, a trigger, a sear, means connecting said sear and said hammer, acatch on said trigger, a projection on the said sear coperating withsaid catch, a fixed catch on the body, and an arm 0n said searcoperating with said fixed catch.

5. An automatic firearm consisting of a body, a barrel, a firing pin, ahammer, a trigger, a sear, a member pivoted to said sear, a springinclosed in a recess in said sear normally pressing said member awayfrom said sear, a link connecting said scar with the hammer, a catch onsaid trigger adapted to cooperate with said member, a second catch onsaid trigger, a projection on said sea-r cooperating with said secondcatch, a fixed catch on the body, an arm on said sear c0- operating withsaid fixed catch, a spring controlling said sear, and a springcontrolling said trigger.

6. An automatic firearm consisting of a body, a barrel, a firing pin, ahammer, a trigger', a sear, a member pivoted to said sear, a springinclosed in a recess in said sear normally pressing said member awayfrom said sear, a. catch on said member, a link connecting said searwith the hammer, a catch on said trigger cooperating with the catch onthe member pivoted to the sear, a second catch on said trigger, aprojection on said sear cooperating with said second catch on thetrigger, a fixed catch on said body, an arm on said sear, a spring onthe said arm, a spring controlling the said sear, and a spring normallyforcing said trigger into the undrawn position.

7. An automatic firearm consisting of a body, a barrel, a firing pin, ahammer, a trigger, a sear, a member pivoted to said sear, a springinclosed in a recess in said sear normally pressing` said member awayfrom said sear, a catch on said member, a link connecting said sear withthe hammer, a catch on said trigger cooperating with the catch on themember pivoted to the sear, a pivoted catch on the said trigger, aprojection on the said sear cooperating with said pivoted catch on thetrigger, a spring forcing said catch members normally away from saidtrigger, a fixed catch on the body, a pivoted arm on said sear, a springtending to force said arm against said catch on the body, a springcontrolling said sear and a spring controlling said trigger normallytending to force it into the undrawn position.

8. An automat-ic firearm consisting of a body, a barrel, a firing pin, ahammer, a trigger, a sear, a member pivoted to said sear, a springinclosed in a recess in said sear normally pressing said member awayfrom said sear, a catch on said member, a link connectingl said searwith the hammer, a catch on said trigger cooperating with the catch onthe member pivoted to the sear, a pivoted catch on the said trigger, aprojection on the said sear cooperating with said pivoted catch on thetrigger, a spring forcing said catch members normally away from saidtrigger, a fixed catch on the body, a pivoted arm on said sear, a springtending to force said arm against said catch on the body, a piston in arecess on said body, a spring forcing said piston outward into contactwith the trigger to normally thrust 1t into the undrawn position, a plugin said recess against which the spring abuts, a screw serving to securesaid plug and also said spring operating the pivoted lever on the sear,a second piston in a recess in the base of the body adjacent to themagazine, a spring forcing said piston normally outward, and a leverpivoted to the sear and operated by said piston.

9. An automatic firearm consisting of a body, a barrel, a firing pin, anabutment on said firing pin, a pivoted lever on the breech blockadjacent to said firing pin, a catch on said lever cooperating with saidabutment on said firing pin, a cam on said lever cooperating with thebody of the firearm, a spring normally forcing said lever away from saidbarrel, a hammer, a trigger, a sear, means connecting said sear and saidhammer, a catch on said trigger, a projection on the said searcooperating with said catch, a fixed catch on the body, and an arm onsaid sear cooperating with said fixed catch.

lO. An automatic firearm consisting of a body, a barrel, a firing pin,an abutment on said firing pin, a pivoted lever on the breech blockadjacent to said firing pin, a catch on said lever cooperating with saidabutment on said firing pin, a cam on said lever cooperating with thebody of the firearm, a spring normally forcing said lever away from saidbarrel, a. hammer, a trigger, a sear, means connecting said sear andsaid hammer, a catch on said trigger, a projection on the said searcooperating with said catch, a fixed catch on the body, an arm on saidsear cooperating with said fixed catch, a spring on the said arm, aspring controlling said said sear and a spring normally forcing saidtrigger into the undrawn position.

l1. An automatic lirearm consisting of a body, a barrel, a firing pin,an abutment on said firing pin, a pivoted lever on the breech blockadjacent to said firing pin, a catch on said lever cooperating with saidabutment on said firing pin, a lug on said lever cooperating with thebody of the firearm, a spring normally forcing said lever away from saidbreech block, a hammer, a trigger, a sear, a member pivoted to saidsear, a spring inclosed in a recess in said sear normally pressing saidmember away from said sear, a catch on said member, a link connectingsaid sear with the hammer, a catch on said trigger cooperating with thecatch on the member pivoted to the sear, a pivoted catch on the saidtrigger, a projection on the said sear cooperating with said secondcatch on the trigger, a spring forcing said catch member normally awayfrom said trigger, a fixed catch on the body, a pivoted arm on saidsear, a spring tending to force said arm against said catch on the body,a piston in a recess in said body, a spring forcing said piston outwardinto contact with the trigger to normally thrust it into the undrawnposition, a plug in said recess against which the spring abuts, a screwserving to secure said plug and also said spring operating the pivotedarm on the sear, a second piston in a recess in the base of the body, aspring forcing said piston normally outward and a strut pivoted to thesear and operated by said piston.

12. An automatic firearm consisting of a body, a barrel, a spring onsaid barrel foreing it away from said body to -compensate for wear, afiring pin, a hammer, a trigge r, a sear, means connecting said sear andsaid hammer, a catch on said trigger, a projection on the said searcooperating with said catch, a fixed catch on the body, and an arm onsaid scar cooperating with said fixed catch.

13. An automatic firearm consisting of a body, a barrel, a cam on saidbody, a spring forcing said cam against said barrel to compensate forwear, a firing pin, a hammer, a trigger, a sear, means connecting saidsear and said hammer, a catch on said trigger, a projection on the saidsear cooperating with said catch, a fixed catch on the body, and an armon said sear cooperating with said fixed catch.

14. An automatic firearm consisting of a body, a barrel, a4 cam pivotedto said body, a rod mounted on said body, a spring forcing said rodagainst said cam to press the latter against the barrel to force it awayfrom the body, a firing pin, a hammer, a trigger, a sear, meansconnecting said sear and said hammer, a catch on said trigger, aprojection on the said sear coperating with said catch, a fixed catch onthe body, and an arm on said sear cooperating with said fixed catch.

15. An automatic firearm consisting of a body, a barrel, a cam pivotedto said body, a rod mounted on said body, a spring forcing said rodagainst said cam to press 4the latter against the barrel to force itaway from the body, a firing pin, a hammer, a trigger, a sear, a memberpivoted to said Sear, a spring inclosed in a recess in said Searnormally pressing said member away from said scar, a catch on saidmember, a link connecting said sear with the hammer, a catch on saidtrigger cooperating with the catch on the member pivoted to t e sear, a

second catch on said trigger, a projection on said sear coperating withsaid second catch on the trigger, a fixed catch on said body, an arm onsaid sear, a spring on the said arm, a spring controlling the said sear,and a spring normally forcing said trigger into the undrawn position.

1G. An automatic firearm consisting of a body, a barrel, a cam pivotedto said body, a rod mounted on said body, aspring forcing said rodagainst said cam to press the latter against the barrel to force it awayfrom the body, a firing pin, a hammer, a trigger, a sear, a memberpivoted to said sear, a spring inclosed in a recess in said searnormally pressing said member away from said sear, a catch on saidmember, a link connecting said sear with the hammer, a catch on saidtrigger coperating with the cat/ch on the member pivoted to the scar, apivoted catch on the said trigger, a projection on the said searcooperating with said second catch on the trigger, a spring forcing saidcatch member normally away from said trigger, a fixed catch on the body,a pivoted arm on said sear, a spring tending to force said arm againstsaid catch on the body, a piston in a recess in said body, a springforcing said piston outward into contact with the trigger to normallythrust it into the undrawn position, a plug in said recess against whichthe spring abuts, a screw serving to secure said plug and also saidspring operating the pivoted lever on the scar, a second piston in arecess in the base of the body, a spring forcing said piston normallyoutward, and a strut pivoted to the sear and operated by said piston.

In testimony that I claim the foregoing as my invention, I have signedmy name in presence of two subscribing witnesses.

SERGE KOROVINE.

Vitnesses:

S. CoRsKY, CH. BECKER.

Copies of this patent may be obtained for ve cents each, by addressingthe Commissioner of Patents, Washington, ID. C.

